crypto/cms/cms_lcl.h - platform/external/openssl - Git at Google

 /* crypto/cms/cms_lcl.h */
 /* Written by Dr Stephen N Henson ([email protected]) for the OpenSSL
  * project.
  */
 /* ====================================================================
  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * 3. All advertising materials mentioning features or use of this
  *    software must display the following acknowledgment:
  *    "This product includes software developed by the OpenSSL Project
  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  *
  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  *    endorse or promote products derived from this software without
  *    prior written permission. For written permission, please contact
  *    [email protected].
  *
  * 5. Products derived from this software may not be called "OpenSSL"
  *    nor may "OpenSSL" appear in their names without prior written
  *    permission of the OpenSSL Project.
  *
  * 6. Redistributions of any form whatsoever must retain the following
  *    acknowledgment:
  *    "This product includes software developed by the OpenSSL Project
  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  *
  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  * ====================================================================
  */

 #ifndef HEADER_CMS_LCL_H
 #define HEADER_CMS_LCL_H

 #ifdef __cplusplus
 extern "C" {
 #endif

 #include <openssl/x509.h>

 /* Cryptographic message syntax (CMS) structures: taken
  * from RFC3852
  */

 /* Forward references */

 typedef struct CMS_IssuerAndSerialNumber_st CMS_IssuerAndSerialNumber;
 typedef struct CMS_EncapsulatedContentInfo_st CMS_EncapsulatedContentInfo;
 typedef struct CMS_SignerIdentifier_st CMS_SignerIdentifier;
 typedef struct CMS_SignedData_st CMS_SignedData;
 typedef struct CMS_OtherRevocationInfoFormat_st CMS_OtherRevocationInfoFormat;
 typedef struct CMS_OriginatorInfo_st CMS_OriginatorInfo;
 typedef struct CMS_EncryptedContentInfo_st CMS_EncryptedContentInfo;
 typedef struct CMS_EnvelopedData_st CMS_EnvelopedData;
 typedef struct CMS_DigestedData_st CMS_DigestedData;
 typedef struct CMS_EncryptedData_st CMS_EncryptedData;
 typedef struct CMS_AuthenticatedData_st CMS_AuthenticatedData;
 typedef struct CMS_CompressedData_st CMS_CompressedData;
 typedef struct CMS_OtherCertificateFormat_st CMS_OtherCertificateFormat;
 typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
 typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
 typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
 typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
 typedef struct CMS_OtherKeyAttribute_st CMS_OtherKeyAttribute;
 typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
 typedef struct CMS_KeyAgreeRecipientIdentifier_st CMS_KeyAgreeRecipientIdentifier;
 typedef struct CMS_RecipientEncryptedKey_st CMS_RecipientEncryptedKey;
 typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
 typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
 typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
 typedef struct CMS_OtherRecipientInfo_st CMS_OtherRecipientInfo;
 typedef struct CMS_ReceiptsFrom_st CMS_ReceiptsFrom;

 struct CMS_ContentInfo_st
 	{
 	ASN1_OBJECT *contentType;
 	union	{
 		ASN1_OCTET_STRING *data;
 		CMS_SignedData *signedData;
 		CMS_EnvelopedData *envelopedData;
 		CMS_DigestedData *digestedData;
 		CMS_EncryptedData *encryptedData;
 		CMS_AuthenticatedData *authenticatedData;
 		CMS_CompressedData *compressedData;
 		ASN1_TYPE *other;
 		/* Other types ... */
 		void *otherData;
 		} d;
 	};

 struct CMS_SignedData_st
 	{
 	long version;
 	STACK_OF(X509_ALGOR) *digestAlgorithms;
 	CMS_EncapsulatedContentInfo *encapContentInfo;
 	STACK_OF(CMS_CertificateChoices) *certificates;
 	STACK_OF(CMS_RevocationInfoChoice) *crls;
 	STACK_OF(CMS_SignerInfo) *signerInfos;
 	};

 struct CMS_EncapsulatedContentInfo_st
 	{
 	ASN1_OBJECT *eContentType;
 	ASN1_OCTET_STRING *eContent;
 	/* Set to 1 if incomplete structure only part set up */
 	int partial;
 	};

 struct CMS_SignerInfo_st
 	{
 	long version;
 	CMS_SignerIdentifier *sid;
 	X509_ALGOR *digestAlgorithm;
 	STACK_OF(X509_ATTRIBUTE) *signedAttrs;
 	X509_ALGOR *signatureAlgorithm;
 	ASN1_OCTET_STRING *signature;
 	STACK_OF(X509_ATTRIBUTE) *unsignedAttrs;
 	/* Signing certificate and key */
 	X509 *signer;
 	EVP_PKEY *pkey;
 	};

 struct CMS_SignerIdentifier_st
 	{
 	int type;
 	union	{
 		CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 		ASN1_OCTET_STRING *subjectKeyIdentifier;
 		} d;
 	};

 struct CMS_EnvelopedData_st
 	{
 	long version;
 	CMS_OriginatorInfo *originatorInfo;
 	STACK_OF(CMS_RecipientInfo) *recipientInfos;
 	CMS_EncryptedContentInfo *encryptedContentInfo;
 	STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
 	};

 struct CMS_OriginatorInfo_st
 	{
 	STACK_OF(CMS_CertificateChoices) *certificates;
 	STACK_OF(CMS_RevocationInfoChoice) *crls;
 	};

 struct CMS_EncryptedContentInfo_st
 	{
 	ASN1_OBJECT *contentType;
 	X509_ALGOR *contentEncryptionAlgorithm;
 	ASN1_OCTET_STRING *encryptedContent;
 	/* Content encryption algorithm and key */
 	const EVP_CIPHER *cipher;
 	unsigned char *key;
 	size_t keylen;
 	/* Set to 1 if we are debugging decrypt and don't fake keys for MMA */
 	int debug;
 	};

 struct CMS_RecipientInfo_st
 	{
  	int type;
  	union	{
   	 	CMS_KeyTransRecipientInfo *ktri;
    		CMS_KeyAgreeRecipientInfo *kari;
    		CMS_KEKRecipientInfo *kekri;
 		CMS_PasswordRecipientInfo *pwri;
 		CMS_OtherRecipientInfo *ori;
 		} d;
 	};

 typedef CMS_SignerIdentifier CMS_RecipientIdentifier;

 struct CMS_KeyTransRecipientInfo_st
 	{
 	long version;
 	CMS_RecipientIdentifier *rid;
 	X509_ALGOR *keyEncryptionAlgorithm;
 	ASN1_OCTET_STRING *encryptedKey;
 	/* Recipient Key and cert */
 	X509 *recip;
 	EVP_PKEY *pkey;
 	};

 struct CMS_KeyAgreeRecipientInfo_st
 	{
 	long version;
 	CMS_OriginatorIdentifierOrKey *originator;
 	ASN1_OCTET_STRING *ukm;
  	X509_ALGOR *keyEncryptionAlgorithm;
 	STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
 	};

 struct CMS_OriginatorIdentifierOrKey_st
 	{
 	int type;
 	union	{
 		CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 		ASN1_OCTET_STRING *subjectKeyIdentifier;
 		CMS_OriginatorPublicKey *originatorKey;
 		} d;
 	};

 struct CMS_OriginatorPublicKey_st
 	{
 	X509_ALGOR *algorithm;
 	ASN1_BIT_STRING *publicKey;
 	};

 struct CMS_RecipientEncryptedKey_st
 	{
  	CMS_KeyAgreeRecipientIdentifier *rid;
  	ASN1_OCTET_STRING *encryptedKey;
 	};

 struct CMS_KeyAgreeRecipientIdentifier_st
 	{
 	int type;
 	union	{
 		CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
 		CMS_RecipientKeyIdentifier *rKeyId;
 		} d;
 	};

 struct CMS_RecipientKeyIdentifier_st
 	{
  	ASN1_OCTET_STRING *subjectKeyIdentifier;
  	ASN1_GENERALIZEDTIME *date;
  	CMS_OtherKeyAttribute *other;
 	};

 struct CMS_KEKRecipientInfo_st
 	{
  	long version;
  	CMS_KEKIdentifier *kekid;
  	X509_ALGOR *keyEncryptionAlgorithm;
  	ASN1_OCTET_STRING *encryptedKey;
 	/* Extra info: symmetric key to use */
 	unsigned char *key;
 	size_t keylen;
 	};

 struct CMS_KEKIdentifier_st
 	{
  	ASN1_OCTET_STRING *keyIdentifier;
  	ASN1_GENERALIZEDTIME *date;
  	CMS_OtherKeyAttribute *other;
 	};

 struct CMS_PasswordRecipientInfo_st
 	{
  	long version;
  	X509_ALGOR *keyDerivationAlgorithm;
  	X509_ALGOR *keyEncryptionAlgorithm;
  	ASN1_OCTET_STRING *encryptedKey;
 	/* Extra info: password to use */
 	unsigned char *pass;
 	size_t passlen;
 	};

 struct CMS_OtherRecipientInfo_st
 	{
  	ASN1_OBJECT *oriType;
  	ASN1_TYPE *oriValue;
 	};

 struct CMS_DigestedData_st
 	{
 	long version;
 	X509_ALGOR *digestAlgorithm;
 	CMS_EncapsulatedContentInfo *encapContentInfo;
 	ASN1_OCTET_STRING *digest;
 	};

 struct CMS_EncryptedData_st
 	{
 	long version;
 	CMS_EncryptedContentInfo *encryptedContentInfo;
 	STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
 	};

 struct CMS_AuthenticatedData_st
 	{
 	long version;
 	CMS_OriginatorInfo *originatorInfo;
 	STACK_OF(CMS_RecipientInfo) *recipientInfos;
 	X509_ALGOR *macAlgorithm;
 	X509_ALGOR *digestAlgorithm;
 	CMS_EncapsulatedContentInfo *encapContentInfo;
 	STACK_OF(X509_ATTRIBUTE) *authAttrs;
 	ASN1_OCTET_STRING *mac;
 	STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
 	};

 struct CMS_CompressedData_st
 	{
 	long version;
 	X509_ALGOR *compressionAlgorithm;
 	STACK_OF(CMS_RecipientInfo) *recipientInfos;
 	CMS_EncapsulatedContentInfo *encapContentInfo;
 	};

 struct CMS_RevocationInfoChoice_st
 	{
 	int type;
 	union	{
 		X509_CRL *crl;
 		CMS_OtherRevocationInfoFormat *other;
 		} d;
 	};

 #define CMS_REVCHOICE_CRL		0
 #define CMS_REVCHOICE_OTHER		1

 struct CMS_OtherRevocationInfoFormat_st
 	{
 	ASN1_OBJECT *otherRevInfoFormat;
  	ASN1_TYPE *otherRevInfo;
 	};

 struct CMS_CertificateChoices
 	{
 	int type;
 		union {
 		X509 *certificate;
 		ASN1_STRING *extendedCertificate;	/* Obsolete */
 		ASN1_STRING *v1AttrCert;	/* Left encoded for now */
 		ASN1_STRING *v2AttrCert;	/* Left encoded for now */
 		CMS_OtherCertificateFormat *other;
 		} d;
 	};

 #define CMS_CERTCHOICE_CERT		0
 #define CMS_CERTCHOICE_EXCERT		1
 #define CMS_CERTCHOICE_V1ACERT		2
 #define CMS_CERTCHOICE_V2ACERT		3
 #define CMS_CERTCHOICE_OTHER		4

 struct CMS_OtherCertificateFormat_st
 	{
 	ASN1_OBJECT *otherCertFormat;
  	ASN1_TYPE *otherCert;
 	};

 /* This is also defined in pkcs7.h but we duplicate it
  * to allow the CMS code to be independent of PKCS#7
  */

 struct CMS_IssuerAndSerialNumber_st
 	{
 	X509_NAME *issuer;
 	ASN1_INTEGER *serialNumber;
 	};

 struct CMS_OtherKeyAttribute_st
 	{
 	ASN1_OBJECT *keyAttrId;
  	ASN1_TYPE *keyAttr;
 	};

 /* ESS structures */

 #ifdef HEADER_X509V3_H

 struct CMS_ReceiptRequest_st
 	{
 	ASN1_OCTET_STRING *signedContentIdentifier;
 	CMS_ReceiptsFrom *receiptsFrom;
 	STACK_OF(GENERAL_NAMES) *receiptsTo;
 	};


 struct CMS_ReceiptsFrom_st
 	{
 	int type;
 	union
 		{
 		long allOrFirstTier;
 		STACK_OF(GENERAL_NAMES) *receiptList;
 		} d;
 	};
 #endif

 struct CMS_Receipt_st
 	{
 	long version;
 	ASN1_OBJECT *contentType;
 	ASN1_OCTET_STRING *signedContentIdentifier;
 	ASN1_OCTET_STRING *originatorSignatureValue;
 	};

 DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
 DECLARE_ASN1_ITEM(CMS_SignerInfo)
 DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
 DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
 DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
 DECLARE_ASN1_ITEM(CMS_RecipientInfo)
 DECLARE_ASN1_ITEM(CMS_PasswordRecipientInfo)
 DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)

 #define CMS_SIGNERINFO_ISSUER_SERIAL	0
 #define CMS_SIGNERINFO_KEYIDENTIFIER	1

 #define CMS_RECIPINFO_ISSUER_SERIAL	0
 #define CMS_RECIPINFO_KEYIDENTIFIER	1

 BIO *cms_content_bio(CMS_ContentInfo *cms);

 CMS_ContentInfo *cms_Data_create(void);

 CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md);
 BIO *cms_DigestedData_init_bio(CMS_ContentInfo *cms);
 int cms_DigestedData_do_final(CMS_ContentInfo *cms, BIO *chain, int verify);

 BIO *cms_SignedData_init_bio(CMS_ContentInfo *cms);
 int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain);
 int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, int type);
 int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
 					ASN1_OCTET_STRING **keyid,
 					X509_NAME **issuer, ASN1_INTEGER **sno);
 int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert);

 CMS_ContentInfo *cms_CompressedData_create(int comp_nid);
 BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms);

 void cms_DigestAlgorithm_set(X509_ALGOR *alg, const EVP_MD *md);
 BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm);
 int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
 					X509_ALGOR *mdalg);

 BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec);
 BIO *cms_EncryptedData_init_bio(CMS_ContentInfo *cms);
 int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
 				const EVP_CIPHER *cipher,
 				const unsigned char *key, size_t keylen);

 int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms);
 int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src);
 ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si);

 BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms);
 CMS_EnvelopedData *cms_get0_enveloped(CMS_ContentInfo *cms);

 /* PWRI routines */
 int cms_RecipientInfo_pwri_crypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
 							int en_de);

 #ifdef  __cplusplus
 }
 #endif
 #endif
	/* crypto/cms/cms_lcl.h */
	/* Written by Dr Stephen N Henson ([email protected]) for the OpenSSL
	* project.
	*/
	/* ====================================================================
	* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	*
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	*
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	*
	* 3. All advertising materials mentioning features or use of this
	* software must display the following acknowledgment:
	* "This product includes software developed by the OpenSSL Project
	* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
	*
	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	* endorse or promote products derived from this software without
	* prior written permission. For written permission, please contact
	* [email protected].
	*
	* 5. Products derived from this software may not be called "OpenSSL"
	* nor may "OpenSSL" appear in their names without prior written
	* permission of the OpenSSL Project.
	*
	* 6. Redistributions of any form whatsoever must retain the following
	* acknowledgment:
	* "This product includes software developed by the OpenSSL Project
	* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
	*
	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	* OF THE POSSIBILITY OF SUCH DAMAGE.
	* ====================================================================
	*/

	#ifndef HEADER_CMS_LCL_H
	#define HEADER_CMS_LCL_H

	#ifdef __cplusplus
	extern "C" {
	#endif

	#include <openssl/x509.h>

	/* Cryptographic message syntax (CMS) structures: taken
	* from RFC3852
	*/

	/* Forward references */

	typedef struct CMS_IssuerAndSerialNumber_st CMS_IssuerAndSerialNumber;
	typedef struct CMS_EncapsulatedContentInfo_st CMS_EncapsulatedContentInfo;
	typedef struct CMS_SignerIdentifier_st CMS_SignerIdentifier;
	typedef struct CMS_SignedData_st CMS_SignedData;
	typedef struct CMS_OtherRevocationInfoFormat_st CMS_OtherRevocationInfoFormat;
	typedef struct CMS_OriginatorInfo_st CMS_OriginatorInfo;
	typedef struct CMS_EncryptedContentInfo_st CMS_EncryptedContentInfo;
	typedef struct CMS_EnvelopedData_st CMS_EnvelopedData;
	typedef struct CMS_DigestedData_st CMS_DigestedData;
	typedef struct CMS_EncryptedData_st CMS_EncryptedData;
	typedef struct CMS_AuthenticatedData_st CMS_AuthenticatedData;
	typedef struct CMS_CompressedData_st CMS_CompressedData;
	typedef struct CMS_OtherCertificateFormat_st CMS_OtherCertificateFormat;
	typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
	typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
	typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
	typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
	typedef struct CMS_OtherKeyAttribute_st CMS_OtherKeyAttribute;
	typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
	typedef struct CMS_KeyAgreeRecipientIdentifier_st CMS_KeyAgreeRecipientIdentifier;
	typedef struct CMS_RecipientEncryptedKey_st CMS_RecipientEncryptedKey;
	typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
	typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
	typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
	typedef struct CMS_OtherRecipientInfo_st CMS_OtherRecipientInfo;
	typedef struct CMS_ReceiptsFrom_st CMS_ReceiptsFrom;

	struct CMS_ContentInfo_st
	{
	ASN1_OBJECT *contentType;
	union {
	ASN1_OCTET_STRING *data;
	CMS_SignedData *signedData;
	CMS_EnvelopedData *envelopedData;
	CMS_DigestedData *digestedData;
	CMS_EncryptedData *encryptedData;
	CMS_AuthenticatedData *authenticatedData;
	CMS_CompressedData *compressedData;
	ASN1_TYPE *other;
	/* Other types ... */
	void *otherData;
	} d;
	};

	struct CMS_SignedData_st
	{
	long version;
	STACK_OF(X509_ALGOR) *digestAlgorithms;
	CMS_EncapsulatedContentInfo *encapContentInfo;
	STACK_OF(CMS_CertificateChoices) *certificates;
	STACK_OF(CMS_RevocationInfoChoice) *crls;
	STACK_OF(CMS_SignerInfo) *signerInfos;
	};

	struct CMS_EncapsulatedContentInfo_st
	{
	ASN1_OBJECT *eContentType;
	ASN1_OCTET_STRING *eContent;
	/* Set to 1 if incomplete structure only part set up */
	int partial;
	};

	struct CMS_SignerInfo_st
	{
	long version;
	CMS_SignerIdentifier *sid;
	X509_ALGOR *digestAlgorithm;
	STACK_OF(X509_ATTRIBUTE) *signedAttrs;
	X509_ALGOR *signatureAlgorithm;
	ASN1_OCTET_STRING *signature;
	STACK_OF(X509_ATTRIBUTE) *unsignedAttrs;
	/* Signing certificate and key */
	X509 *signer;
	EVP_PKEY *pkey;
	};

	struct CMS_SignerIdentifier_st
	{
	int type;
	union {
	CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
	ASN1_OCTET_STRING *subjectKeyIdentifier;
	} d;
	};

	struct CMS_EnvelopedData_st
	{
	long version;
	CMS_OriginatorInfo *originatorInfo;
	STACK_OF(CMS_RecipientInfo) *recipientInfos;
	CMS_EncryptedContentInfo *encryptedContentInfo;
	STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
	};

	struct CMS_OriginatorInfo_st
	{
	STACK_OF(CMS_CertificateChoices) *certificates;
	STACK_OF(CMS_RevocationInfoChoice) *crls;
	};

	struct CMS_EncryptedContentInfo_st
	{
	ASN1_OBJECT *contentType;
	X509_ALGOR *contentEncryptionAlgorithm;
	ASN1_OCTET_STRING *encryptedContent;
	/* Content encryption algorithm and key */
	const EVP_CIPHER *cipher;
	unsigned char *key;
	size_t keylen;
	/* Set to 1 if we are debugging decrypt and don't fake keys for MMA */
	int debug;
	};

	struct CMS_RecipientInfo_st
	{
	int type;
	union {
	CMS_KeyTransRecipientInfo *ktri;
	CMS_KeyAgreeRecipientInfo *kari;
	CMS_KEKRecipientInfo *kekri;
	CMS_PasswordRecipientInfo *pwri;
	CMS_OtherRecipientInfo *ori;
	} d;
	};

	typedef CMS_SignerIdentifier CMS_RecipientIdentifier;

	struct CMS_KeyTransRecipientInfo_st
	{
	long version;
	CMS_RecipientIdentifier *rid;
	X509_ALGOR *keyEncryptionAlgorithm;
	ASN1_OCTET_STRING *encryptedKey;
	/* Recipient Key and cert */
	X509 *recip;
	EVP_PKEY *pkey;
	};

	struct CMS_KeyAgreeRecipientInfo_st
	{
	long version;
	CMS_OriginatorIdentifierOrKey *originator;
	ASN1_OCTET_STRING *ukm;
	X509_ALGOR *keyEncryptionAlgorithm;
	STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
	};

	struct CMS_OriginatorIdentifierOrKey_st
	{
	int type;
	union {
	CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
	ASN1_OCTET_STRING *subjectKeyIdentifier;
	CMS_OriginatorPublicKey *originatorKey;
	} d;
	};

	struct CMS_OriginatorPublicKey_st
	{
	X509_ALGOR *algorithm;
	ASN1_BIT_STRING *publicKey;
	};

	struct CMS_RecipientEncryptedKey_st
	{
	CMS_KeyAgreeRecipientIdentifier *rid;
	ASN1_OCTET_STRING *encryptedKey;
	};

	struct CMS_KeyAgreeRecipientIdentifier_st
	{
	int type;
	union {
	CMS_IssuerAndSerialNumber *issuerAndSerialNumber;
	CMS_RecipientKeyIdentifier *rKeyId;
	} d;
	};

	struct CMS_RecipientKeyIdentifier_st
	{
	ASN1_OCTET_STRING *subjectKeyIdentifier;
	ASN1_GENERALIZEDTIME *date;
	CMS_OtherKeyAttribute *other;
	};

	struct CMS_KEKRecipientInfo_st
	{
	long version;
	CMS_KEKIdentifier *kekid;
	X509_ALGOR *keyEncryptionAlgorithm;
	ASN1_OCTET_STRING *encryptedKey;
	/* Extra info: symmetric key to use */
	unsigned char *key;
	size_t keylen;
	};

	struct CMS_KEKIdentifier_st
	{
	ASN1_OCTET_STRING *keyIdentifier;
	ASN1_GENERALIZEDTIME *date;
	CMS_OtherKeyAttribute *other;
	};

	struct CMS_PasswordRecipientInfo_st
	{
	long version;
	X509_ALGOR *keyDerivationAlgorithm;
	X509_ALGOR *keyEncryptionAlgorithm;
	ASN1_OCTET_STRING *encryptedKey;
	/* Extra info: password to use */
	unsigned char *pass;
	size_t passlen;
	};

	struct CMS_OtherRecipientInfo_st
	{
	ASN1_OBJECT *oriType;
	ASN1_TYPE *oriValue;
	};

	struct CMS_DigestedData_st
	{
	long version;
	X509_ALGOR *digestAlgorithm;
	CMS_EncapsulatedContentInfo *encapContentInfo;
	ASN1_OCTET_STRING *digest;
	};

	struct CMS_EncryptedData_st
	{
	long version;
	CMS_EncryptedContentInfo *encryptedContentInfo;
	STACK_OF(X509_ATTRIBUTE) *unprotectedAttrs;
	};

	struct CMS_AuthenticatedData_st
	{
	long version;
	CMS_OriginatorInfo *originatorInfo;
	STACK_OF(CMS_RecipientInfo) *recipientInfos;
	X509_ALGOR *macAlgorithm;
	X509_ALGOR *digestAlgorithm;
	CMS_EncapsulatedContentInfo *encapContentInfo;
	STACK_OF(X509_ATTRIBUTE) *authAttrs;
	ASN1_OCTET_STRING *mac;
	STACK_OF(X509_ATTRIBUTE) *unauthAttrs;
	};

	struct CMS_CompressedData_st
	{
	long version;
	X509_ALGOR *compressionAlgorithm;
	STACK_OF(CMS_RecipientInfo) *recipientInfos;
	CMS_EncapsulatedContentInfo *encapContentInfo;
	};

	struct CMS_RevocationInfoChoice_st
	{
	int type;
	union {
	X509_CRL *crl;
	CMS_OtherRevocationInfoFormat *other;
	} d;
	};

	#define CMS_REVCHOICE_CRL 0
	#define CMS_REVCHOICE_OTHER 1

	struct CMS_OtherRevocationInfoFormat_st
	{
	ASN1_OBJECT *otherRevInfoFormat;
	ASN1_TYPE *otherRevInfo;
	};

	struct CMS_CertificateChoices
	{
	int type;
	union {
	X509 *certificate;
	ASN1_STRING extendedCertificate; / Obsolete */
	ASN1_STRING v1AttrCert; / Left encoded for now */
	ASN1_STRING v2AttrCert; / Left encoded for now */
	CMS_OtherCertificateFormat *other;
	} d;
	};

	#define CMS_CERTCHOICE_CERT 0
	#define CMS_CERTCHOICE_EXCERT 1
	#define CMS_CERTCHOICE_V1ACERT 2
	#define CMS_CERTCHOICE_V2ACERT 3
	#define CMS_CERTCHOICE_OTHER 4

	struct CMS_OtherCertificateFormat_st
	{
	ASN1_OBJECT *otherCertFormat;
	ASN1_TYPE *otherCert;
	};

	/* This is also defined in pkcs7.h but we duplicate it
	* to allow the CMS code to be independent of PKCS#7
	*/

	struct CMS_IssuerAndSerialNumber_st
	{
	X509_NAME *issuer;
	ASN1_INTEGER *serialNumber;
	};

	struct CMS_OtherKeyAttribute_st
	{
	ASN1_OBJECT *keyAttrId;
	ASN1_TYPE *keyAttr;
	};

	/* ESS structures */

	#ifdef HEADER_X509V3_H

	struct CMS_ReceiptRequest_st
	{
	ASN1_OCTET_STRING *signedContentIdentifier;
	CMS_ReceiptsFrom *receiptsFrom;
	STACK_OF(GENERAL_NAMES) *receiptsTo;
	};


	struct CMS_ReceiptsFrom_st
	{
	int type;
	union
	{
	long allOrFirstTier;
	STACK_OF(GENERAL_NAMES) *receiptList;
	} d;
	};
	#endif

	struct CMS_Receipt_st
	{
	long version;
	ASN1_OBJECT *contentType;
	ASN1_OCTET_STRING *signedContentIdentifier;
	ASN1_OCTET_STRING *originatorSignatureValue;
	};

	DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
	DECLARE_ASN1_ITEM(CMS_SignerInfo)
	DECLARE_ASN1_ITEM(CMS_IssuerAndSerialNumber)
	DECLARE_ASN1_ITEM(CMS_Attributes_Sign)
	DECLARE_ASN1_ITEM(CMS_Attributes_Verify)
	DECLARE_ASN1_ITEM(CMS_RecipientInfo)
	DECLARE_ASN1_ITEM(CMS_PasswordRecipientInfo)
	DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)

	#define CMS_SIGNERINFO_ISSUER_SERIAL 0
	#define CMS_SIGNERINFO_KEYIDENTIFIER 1

	#define CMS_RECIPINFO_ISSUER_SERIAL 0
	#define CMS_RECIPINFO_KEYIDENTIFIER 1

	BIO cms_content_bio(CMS_ContentInfo cms);

	CMS_ContentInfo *cms_Data_create(void);

	CMS_ContentInfo cms_DigestedData_create(const EVP_MD md);
	BIO cms_DigestedData_init_bio(CMS_ContentInfo cms);
	int cms_DigestedData_do_final(CMS_ContentInfo cms, BIO chain, int verify);

	BIO cms_SignedData_init_bio(CMS_ContentInfo cms);
	int cms_SignedData_final(CMS_ContentInfo cms, BIO chain);
	int cms_set1_SignerIdentifier(CMS_SignerIdentifier sid, X509 cert, int type);
	int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
	ASN1_OCTET_STRING **keyid,
	X509_NAME issuer, ASN1_INTEGER sno);
	int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier sid, X509 cert);

	CMS_ContentInfo *cms_CompressedData_create(int comp_nid);
	BIO cms_CompressedData_init_bio(CMS_ContentInfo cms);

	void cms_DigestAlgorithm_set(X509_ALGOR alg, const EVP_MD md);
	BIO cms_DigestAlgorithm_init_bio(X509_ALGOR digestAlgorithm);
	int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX mctx, BIO chain,
	X509_ALGOR *mdalg);

	BIO cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo ec);
	BIO cms_EncryptedData_init_bio(CMS_ContentInfo cms);
	int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
	const EVP_CIPHER *cipher,
	const unsigned char *key, size_t keylen);

	int cms_Receipt_verify(CMS_ContentInfo cms, CMS_ContentInfo req_cms);
	int cms_msgSigDigest_add1(CMS_SignerInfo dest, CMS_SignerInfo src);
	ASN1_OCTET_STRING cms_encode_Receipt(CMS_SignerInfo si);

	BIO cms_EnvelopedData_init_bio(CMS_ContentInfo cms);
	CMS_EnvelopedData cms_get0_enveloped(CMS_ContentInfo cms);

	/* PWRI routines */
	int cms_RecipientInfo_pwri_crypt(CMS_ContentInfo cms, CMS_RecipientInfo ri,
	int en_de);

	#ifdef __cplusplus
	}
	#endif
	#endif